211_E2_question - Justify your answer in terms of part A...

The force acting on a toy car is given by Fx= (-3.6x + 18 )N, where x is the position of the car in meters along a straight track. If the car starts from rest at position x = 0, calculate the speed of the car at x = 7 m.Is the speed of the car at x = 2 m greater than, equal to, or less than the speed of the car at x = 5 m. Is the car speeding up or slowing down between these locations?

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Unformatted text preview: Justify your answer in terms of part A and Newton’s second law. Is the work being done on the car between x = 2 meters and x = 5 meters positive or negative? Justify your answer. Is the work being done on the car between x = 5 meters and x = 7 meters positive or negative? Justify your answer....
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